A Database Error Occurred

Error Number: 1064

You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ') GROUP BY `id`' at line 3

SELECT COUNT(*) AS total FROM `hire_link_project_cats` WHERE `cat_id` IN() GROUP BY `id`

Filename: models/HirelancerModel.php

Line Number: 147